Wrench.



HENRY L. NEWTQN, OF BUTTE, MONTANA.

WRENCH.

' Specification of Letters Patent.

Patented Dec. 12, 1905.

Application filed June 28, 1905. Serial No. 267,430.

To utZZ whom it may concern:

Be itknown thatI, HENRYL. NEWTON, acitizen of the United States, residing at Butte, in the county of Silverbow and State of Montana, have invented certain new and useful Improvements in Wrenches, of which the following is a specification.

This invention embodies a novel form of wrench particularly designed for turning nuts or the like.

The invention resides, mainly, in the simple construction of the tool whereby the same is adapted for an ease of manipulation not at-' tained in the majority of wrenches at present in use.

For a full description of the invention and the merits thereof and also to acquire a knowledge of the details of construction of the means for effecting the result reference is to be had to the following description and accompanying drawings, in which- Figure 1 is a view, partially in section'and partially in elevation, of a wrench embodying the invention. Fig. 2 is a detail perspective view of the movable jaw. Fig. 3 is a perspective view of the clutch member pivotally mounted upon the shank of the Wrench. Fig. 1 is a transverse sectional view on the line X X of Fig. 1. Fig. 5 is a detail perspective view of the toothed plate carried by the shank of the movable jaw.

Corresponding and like parts are referred to in the following description and indicated in all the views of the drawings by the same reference characters.

Referring to the drawings, the numeral 1 designates the shank of a wrench, at one end of which is provided a suitable handle 2, pref erably integral therewith. The shank 1 is formed at its opposite end with a rigid or stationary jaw 3, and the said shank is preferably of hollow form, as shown at 4, so as to receive the shank 5 of the movable jaw 6, which comember 7, which is pivoted in the cut-away portion and serves to close such portion, as

shown most clearly in Fig. 1 of the drawings.

On reference to the drawings it will be seen that the opening movement of the jaw 6, or the movement of this jaw away from the jaw 3, is limited by the teeth 9 0m the shank 5 coming into contact with ashoulder in the hollow portion 4 of the main shank 1. The toothed plate 10 is placed in position and secured to the shank 5, but the member 7 is pivotally mounted thereon, and when said plate 10 is worn out it is necessary that the same be displaced through the cut-away side of the shank 1 in which the member 7 normally is disposed after said member 7 has been removed to enable the above to be performed. The ears 13 serve to prevent play of the member 7 and, further, to guard against breakage of the same in the event the tool is dropped. The clutch member 7 is pivoted at a point between its ends, as shown at 11, and the teeth 8 are arranged longitudinally of one end portion of said member 7, the other end portion being curved outwardly somewhat to form the finger-piece 12. Spaced ears 13 project from the shank and are integral therewith preferably, being located at opposite sides of the finger-piece 12 of the member 7. A projection 14 extends inwardly from the inner side of the finger-piece 12, and a coil-spring 15 is arranged between the member 12 and the shank 1, said shank being provided with a recess 16 in the side adjacent the finger-piece 12, so as to receive the spring 15 aforesaid. The projection 14 holds the spring in proper position relative to the finger-piece 12 in a manner which will be evident.

It will be seen that upon pressing the finger-piece 12, which is arranged conveniently to the handle 2, the teeth 8 will be disengaged from the teeth 9, and the jaw 6 may be readily adjusted as desired with reference to outward movement thereof. The said jaw 6 may be readily forced toward the jaw 3 without operation of the clutch member 7, for the reason that the teeth 8 and 9 incline so that when the jaw 6 is forced toward the handle the teeth 9 will readily ride the teeth 8, the member 7 springing outwardly in such movement.

The handle 2 is provided with openings 17 and 18 of different sizes, and a side of the handle adjacent each opening is toothed, as shown at 19. The openings 17 and 18 may readily receive a part which is to be operated upon by a Wrench or similar tool in turning the same.

Having thus described the invention, what is claimed as new is i A wrench comprising a main shank provided at one end with a handle and at the other end with a rigid jaw, said shank being hollow near one end thereof, a movable jaw having a shank received in the hollow portion of the main shank, the toothed plate 10 affixed to the shank of the movable jaw, and limiting the movement of the movable jaw away from the rigid jaw, a side of the main shank being cut away at the hollow portion thereof, a clutch member pivoted between its ends and arranged in the cut-away portion of the main shank, said clutch member having teeth to engage the toothed plate on the shank of the movable jaw, a finger-piece at one end of the clutch member, a spring between the main shank and the finger-piece, and spaced ears projected from a side of the main shank and arranged upon opposite sides of the fingerpiece of the clutch member, the toothed plate on the shank of the movable jaw being displaceable therefrom on removal of the clutch member on the main shank.

In testimony whereofI afiix my signature in presence of two Witnesses.

HENRY L. NEWTON. Witnesses:

JOHN N. KIRK, I. A. COHEN.

LL. s.] 

